/********************************************************************************
 * Copyright (c) 2011-2017 Red Hat Inc. and/or its affiliates and others
 *
 * This program and the accompanying materials are made available under the 
 * terms of the Apache License, Version 2.0 which is available at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * SPDX-License-Identifier: Apache-2.0 
 ********************************************************************************/
import java.nio.charset {
    Charset {
        defaultCharset,
        forName
    }
}

Charset parseCharset(String? encoding) {
    if (exists encoding) {
        return forName(encoding);
    }
    else {
        return defaultCharset();
    }
}